Pension Plans, Postretirement and Other Employee Benefits - Plan Assets Using Fair Value Hierarchy (Detail) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	$ 561
United States Pension Plans of US Entity, Defined Benefits
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	192	$ 304	$ 334
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	168	267
United States Pension Plans of US Entity, Defined Benefits | U.S. large cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	77	63
United States Pension Plans of US Entity, Defined Benefits | U.S. mid cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets		8
United States Pension Plans of US Entity, Defined Benefits | U.S. Small Cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	15	15
United States Pension Plans of US Entity, Defined Benefits | Non-U.S. mid cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	15	25
United States Pension Plans of US Entity, Defined Benefits | Emerging Markets
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	5	8
United States Pension Plans of US Entity, Defined Benefits | U.S. corporate bonds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	2	35
United States Pension Plans of US Entity, Defined Benefits | U.S. other fixed income
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	54	113
United States Pension Plans of US Entity, Defined Benefits | Fair Value, Inputs, Level 1
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	24	35
United States Pension Plans of US Entity, Defined Benefits | Fair Value, Inputs, Level 1 | U.S. large cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	22	33
United States Pension Plans of US Entity, Defined Benefits | Fair Value, Inputs, Level 1 | Cash held in bank accounts
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	2	2
United States Pension Plans of US Entity, Defined Benefits | Fair Value, Inputs, Level 2
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets		0
United States Pension Plans of US Entity, Defined Benefits | Fair Value, Inputs, Level 3
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets		0
Foreign
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	369	355	$ 392
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	124	117
Foreign | U.S. large cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	26	23
Foreign | U.S. mid cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets		2
Foreign | Non-U.S. large cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	46	34
Foreign | Non-U.S. mid cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	8	15
Foreign | Non-U.S. small cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets		1
Foreign | Emerging Markets
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	1
Foreign | Non-U.S. treasuries/government bonds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	29	28
Foreign | Non-U.S. corporate bonds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	12	12
Foreign | Non-U.S. municipal obligations
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets	1	1
Foreign | Non-U.S. real estate
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Alternative Investments, Fair Value of Plan Assets		1
Foreign | Fair Value, Inputs, Level 1
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	27	44
Foreign | Fair Value, Inputs, Level 1 | U.S. large cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	2	5
Foreign | Fair Value, Inputs, Level 1 | U.S. mid cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	1	1
Foreign | Fair Value, Inputs, Level 1 | Non-U.S. large cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	7	13
Foreign | Fair Value, Inputs, Level 1 | Non-U.S. mid cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets		1
Foreign | Fair Value, Inputs, Level 1 | Emerging Markets
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	2	2
Foreign | Fair Value, Inputs, Level 1 | U.S. treasuries/government bonds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	1
Foreign | Fair Value, Inputs, Level 1 | Non-U.S. treasuries/government bonds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	1	1
Foreign | Fair Value, Inputs, Level 1 | Non-U.S. corporate bonds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	4	7
Foreign | Fair Value, Inputs, Level 1 | Non-U.S. other fixed income
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	1	2
Foreign | Fair Value, Inputs, Level 1 | Non-U.S. real estate
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	1	1
Foreign | Fair Value, Inputs, Level 1 | Cash held in bank accounts
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	7	11
Foreign | Fair Value, Inputs, Level 2
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	209	188
Foreign | Fair Value, Inputs, Level 2 | U.S. large cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	30	24
Foreign | Fair Value, Inputs, Level 2 | U.S. mid cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	2	5
Foreign | Fair Value, Inputs, Level 2 | Non-U.S. large cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	67	65
Foreign | Fair Value, Inputs, Level 2 | Non-U.S. mid cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	15	15
Foreign | Fair Value, Inputs, Level 2 | Non-U.S. small cap
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	10	2
Foreign | Fair Value, Inputs, Level 2 | Emerging Markets
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	3	4
Foreign | Fair Value, Inputs, Level 2 | U.S. corporate bonds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	1	3
Foreign | Fair Value, Inputs, Level 2 | Non-U.S. treasuries/government bonds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	38	28
Foreign | Fair Value, Inputs, Level 2 | Non-U.S. corporate bonds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	23	20
Foreign | Fair Value, Inputs, Level 2 | Non-U.S. mortgage backed securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets		3
Foreign | Fair Value, Inputs, Level 2 | Non-U.S. asset backed securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets		2
Foreign | Fair Value, Inputs, Level 2 | Non-U.S. real estate
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	5	5
Foreign | Fair Value, Inputs, Level 2 | Insurance contracts
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	13	12
Foreign | Fair Value, Inputs, Level 2 | Cash held in bank accounts
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	2
Foreign | Fair Value, Inputs, Level 3
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	9	8
Foreign | Fair Value, Inputs, Level 3 | Insurance contracts
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	$ 9	$ 8